html, body, canvas, #instructions {
    position: absolute;
    width: 100%;

    background: #393D49;
    top:-10px;
}

body {
    /* FF3.6-15 */
    background: #393D49;

}

#instructions {
    opacity: 1;
    -webkit-transition: opacity 2s;
    transition: opacity 2s;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    background-image: url();
}

@media (max-height: 400px) {
    #instructions {
        display: none;
    }
}
